ALSONIC Brass
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ALSONIC Brass Allengra’s Versatile Ultrasonic Flow Meter Product Family Available in DN15 – DN50 For Water, Water+Glycol, DI Water and many others Accuracy ± 2 % of measured value Almost no pressure loss Analogue & Bus communication Integrated Temperature Sensor Integrated Pressure Sensor Optional External Temperature Probe for heat metering Optional Gas Bubble Detection Glycol Concentration Measurement & Compensation Operating conditions Media Medium temperature Water, Water-glycol mixtures other media on request -20 – 100 °C fluid in liquid phase Medium over temperature Operating pressure Burst pressure Ambient temperature Relative humidity IP code Storage temperature Lifetime Compliance Marking Compliant to all applicable EU Directives (EMC, RoHS, PED) REACH Regulation Drinking Water Compliant All materials compliant to the German FEA guidelines (UBA BWGL) Electrical Safety Materials Dimension Sensor Body Other wetted parts Non-wetted parts Not yet in series production. Prototypes available. Features Gas bubble detection Identifies inefficiently vented heating systems and safety-relevant leaks in heat pumps using flammable refrigerants. Glycol concentration Measurement of glycol concentration, automatic volume flow compensation and freezing point estimation. Consumption measurement Measurement of water and heat consumption for efficient system operation, resource management and monitoring. DATA SHEET | ALSONIC BRASS | LANGUAGE EN | VERS

ALSONIC Brass Allengra’s Versatile Ultrasonic Flow Meter Product Family Measurement technology Dimension Measurement range [L/min] Measurement range [L/h] Accuracy Repeatability Response time Accuracy funnel Not yet in series production. Prototypes available. Accuracy specification per accuracy funnel, assuming turbulence-free flow conditions (refer to installation notes). Internal Temperature Measurement Measurement element Measurement range Accuracy Repeatability Response time T90 Optional PT1000 class B (metal sleeve) 0 - 110 °C ±0.5 K ± 0.3 K <2s Pressure Measurement Optional...

ALSONIC Brass Allengra’s Versatile Ultrasonic Flow Meter Product Family Electrical data Power Supply Current consumption Protection class Electrical reliability Reverse voltage ESD Protection Overvoltage protection EMI Protection Electrical interface Cable length options Max. perm. wire extension Electrical connection Cable color-coding Pinout 0.3 m 0.5 m 1.0 m 1.5 m Modbus < 50 m, Pulse | 0-5 V < 10 m Standard Optional Open cable ends JST PHR-6 other plugs on request VCC PULSE / PWM channel Channel assignment Type PLC connection Flow Open collector external 5 – 10 kΩ pull-up resistor...

ALSONIC Brass Allengra’s Versatile Ultrasonic Flow Meter Product Family Dimensions Dimension Inner Diameter ID Thread G for flat seal Wrench Size WS Length L Length L1 Width W Height H Height H1 Not yet in series production. Prototypes available. Hydraulic connection with flat seals not included Choose ID of seal larger than sensor see recommendation Align flat seal concentrically no interference with free cross-section Dimension Recommended Flat Seal dimensions Not yet in series production. Prototypes available. DATA SHEET | ALSONIC BRASS | LANGUAGE EN | VERSION 1.14 | RELEASED 2

ALSONIC Brass Allengra’s Versatile Ultrasonic Flow Meter Product Family External Temperature Sensor Probe Counterpart dimensions Cable length Pressure Loss Dimension Pressure Loss @ max flow [mbar]: Kvs [m³/h]: Pressure loss [mbar] Not yet in series production. Prototypes available. DATA SHEET | ALSONIC BRASS | LANGUAGE EN | VERSION 1.14 | RELEASED 2024.04.

ALSONIC Brass Allengra’s Versatile Ultrasonic Flow Meter Product Family Installation notes Orientation Recommended installation positions (others on request): Horizontal (housing cover parallel to ground) Vertical (flow direction up and down permitted) 180° Calming section Ensure accurate readings with a calming section upstream and downstream of the sensor. Select the pipe ID according to the sensor dimensions. Other installation conditions on request with special calibration. DATA SHEET | ALSONIC BRASS | LANGUAGE EN | VERSION 1.14 | RELEASED 2024.04.09

ALSONIC Brass Allengra’s Versatile Ultrasonic Flow Meter Product Family Note: Not all variants and dimensions are yet in series production. Prototypes available. Ordering Code _ Material Body Temperature Sensor Pressure Sensor External temperature no external temperature sensor Sensor (heat metering) Data cable length Pulse rate ModBus Config Open wires Device ID: 0x01 Baud: 115200 Parity: Even Stopbits: 1 Device ID: 0x1E Baud: 19200, Parity: Even, Stopbits: 1 Device ID: 0x03 Baud: 19200, Parity: None, Stopbits: 2 Device ID: 0x3C Baud: 19200, Parity: Even, Stopbits: 1 External temperature...

ALSONIC Brass Allengra’s Versatile Ultrasonic Flow Meter Product Family Allengra GmbH, with headquarters in Germany and Romania, was established in 2005 and specializes in the design and production of standard or OEM ultrasonic flow sensors and control valves for liquids and gases, tailored to meet the specific needs of each end client application. Our company manages the entire development process, from concept to serial production, with various engineering departments and prototyping skills at our disposal. Die 2005 gegründete Allengra GmbH mit Sitz in Deutschland und Rumänien entwickelt...